Patents by Inventor Ling Shi

Ling Shi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220343854
    Abstract: A display substrate and a manufacture method, and a display device are provided. The display substrate includes a shift register unit, a first clock signal line, and a second clock signal line. The shift register unit includes an input circuit, an output circuit, a first control circuit, a second control circuit, and a voltage stabilizing circuit. A first electrode of the first noise reduction transistor of the second control circuit and a first electrode of the voltage stabilizing transistor of the voltage stabilizing circuit are in a first source-drain electrode layer, which includes a first transfer electrode, which includes a first portion and a second portion, the first portion is connected to the first electrode of the first noise reduction transistor and the first electrode of the voltage stabilizing transistor, and the second portion is connected to the gate electrode of the first control transistor of the first control circuit.
    Type: Application
    Filed: April 30, 2020
    Publication date: October 27, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenqiang LI, Ke LIU, Ling SHI
  • Publication number: 20220336573
    Abstract: A display panel, driving method and display device, where the display panel includes: a substrate (100) that includes a first display area (A1) and a second display area (A2); a pixel circuit layer positioned in the second display area (A2) of the substrate (100) and including multiple pixel circuits; a light-emitting device layer positioned on one side of the pixel circuit layer that is away from the substrate (100) and including multiple active light-emitting devices (120) and multiple passive light-emitting devices (130), where the multiple active light-emitting devices (120) are arranged in the second display area (A2) and each of the pixel circuits is electrically connected to at least one active light-emitting device (120), and the multiple passive light-emitting devices (130) are arranged in an array in the first display area (A1).
    Type: Application
    Filed: April 8, 2021
    Publication date: October 20, 2022
    Inventors: Yipeng CHEN, Ling SHI
  • Publication number: 20220328603
    Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes: a first display region and a second display region, and a light transmittance of the first display region is greater than a light transmittance of the second display region. The display substrate includes: a base substrate; and a plurality of sub-pixels arranged on the base substrate and located in the first display region. The sub-pixel includes a first pixel driving circuit and a first light-emitting device. The first pixel driving circuit is electrically connected to the first light-emitting device and configured to drive the first light-emitting device to emit light. The pixel driving circuit includes a storage capacitor and a plurality of transistors, and the storage capacitor and the plurality of transistors included in the first pixel driving circuit are located in the first display region.
    Type: Application
    Filed: February 7, 2021
    Publication date: October 13, 2022
    Inventors: Ling Shi, Yipeng Chen, Xuewei Tian, Ke Liu, Dan Guo, Zhenhua Zhang
  • Publication number: 20220328589
    Abstract: This disclosure provides an array substrate and a display device. In the array substrate, the pixel driving circuit includes a driving transistor, a first transistor and a second transistor. The driving transistor and the first transistor are P-type transistors, and the second transistor is N-type transistor. The array substrate also includes a base substrate, and a first conductive layer arranged at a side of the base substrate and including: a first conductive portion forming a gate electrode of the driving transistor; a first gate line at a side of the first conductive portion, a part of the first gate line being configured to form a gate electrode of the first transistor; and a second gate line at a side of the first gate line away from the first conductive portion, a part of the second gate line being configured to form a first gate electrode of the second transistor.
    Type: Application
    Filed: October 27, 2020
    Publication date: October 13, 2022
    Inventors: Yipeng CHEN, Ling SHI, Wenqiang LI, Shuai XIE, Yang YU
  • Publication number: 20220320263
    Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region further includes a plurality of first cathode blockers, and the first cathode blocker includes at least one first groove, wherein the first cathode blocker is provided between at least two adjacent columns of first pixels, to make the cathodes of the two adjacent columns of first pixels disconnected.
    Type: Application
    Filed: October 29, 2020
    Publication date: October 6, 2022
    Inventors: Yipeng CHEN, Ling SHI, Ke LIU, Zhenhua ZHANG
  • Publication number: 20220321000
    Abstract: A method for controlling a distributed power conversion system comprises: configuring N control units for controlling N power modules of the system respectively, wherein each of the control units is configured to execute: step S1, generating a first variable Q1 reflecting respective module serial numbers R according to a coordination variable; step S2, generating a second variable Q2 reflecting the optimal operating number M of the modules; and step S3, comparing the first variable Q1 and the second variable Q2, wherein, when the first variable Q1 is greater than the second variable Q2, the corresponding power module stops; and when the first variable Q1 is less than or equal to the second variable Q2, the corresponding power module runs.
    Type: Application
    Filed: March 10, 2022
    Publication date: October 6, 2022
    Inventors: Ling SHI, Wenfei HU, Hong LIU, Cheng LU
  • Publication number: 20220319369
    Abstract: The present disclosure provides a foldable display panel that includes a plurality of display areas, each of which includes a pixel array. The foldable display panel further includes a plurality of data transmission control signal lines and a plurality of data transmission control circuits corresponding to the plurality of display areas. Based on the plurality of data transmission control signal lines and the plurality of data transmission control circuits, the foldable display panel can provide data signals to the display area(s) for display in a time-division multiplexing manner. The present disclosure also relates to a driving method for driving the foldable display panel, a display device including the foldable display panel, and an electronic apparatus including the display device.
    Type: Application
    Filed: November 29, 2021
    Publication date: October 6, 2022
    Inventors: Ke LIU, Ling SHI, Yanqiang WANG, Yunhao WANG, Xiaoqi DING
  • Publication number: 20220321014
    Abstract: A method for controlling a power conversion system includes: configuring a carrier period of the power modules, and configuring a phase shift of carrier waves of the adjacent power modules to be 2?/N; selecting M power modules to operate within the carrier period, where O?M?N, and providing a modulation wave to the power modules, an amplitude of the modulation wave being A/N of a carrier peak of the carrier waves; and comparing the value of the modulation wave with a value of the carrier wave of each of the power modules, respectively, wherein, when the value of the modulation wave is greater than the value of the carrier wave, the corresponding power module runs; when the value of the modulation wave is less than or equal to the value of the carrier wave, the corresponding power module stops.
    Type: Application
    Filed: March 9, 2022
    Publication date: October 6, 2022
    Inventors: Wenfei HU, Ling SHI, Hong LIU, Cheng LU
  • Publication number: 20220319420
    Abstract: A pixel circuit, is provided, including: a light-emitting element, a driving circuit, a data writing circuit, an on-off control circuit, a first initialization circuit and an energy storage circuit; the data writing circuit writes a data voltage into a third node under control of a first gate driving signal; the on-off control circuit controls communication between a first node and the third node under the control of the first gate driving signal; the first initialization circuit controls writing an initialization voltage into the first node under the control of the first gate driving signal; and a type of a transistor included in the first initialization circuit is different from a type of a driving transistor included in the driving circuit, and a type of a transistor included in the data writing circuit is different from the type of the driving transistor of the driving circuit.
    Type: Application
    Filed: September 25, 2020
    Publication date: October 6, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yipeng CHEN, Ling SHI
  • Publication number: 20220310732
    Abstract: This disclosure provides an array substrate, a fabrication method thereof, and a display device. The array substrate includes a P-type driving transistor, an N-type first transistor, a capacitor, a base substrate, a first conductive layer laminated at a side of the base substrate, a first dielectric layer laminated at a side of the first conductive layer away from the base substrate, a first buffer layer laminated at a side of the first dielectric layer facing away from the base substrate and having a slot, and a second conductive layer laminated at a side of the first buffer layer facing away from the base substrate. The second conductive layer includes a second conductive portion configured as the gate electrode of the first transistor, and a third conductive portion located at the bottom of the slot to form the second electrode of the capacitor.
    Type: Application
    Filed: October 27, 2020
    Publication date: September 29, 2022
    Inventors: Yipeng CHEN, Ling SHI, Wenqiang LI
  • Publication number: 20220309821
    Abstract: Provided are a pixel driving circuit, a driving method thereof and a display panel. The pixel driving circuit includes a pixel driving module, an ultrasonic driving unit, an ultrasonic sensing unit and a signal acquisition unit. The pixel driving module is configured to drive a light-emitting unit to emit light; the ultrasonic driving unit is configured to provide a signal of a second signal terminal to a first node under control of the second signal terminal; the ultrasonic sensing unit is configured to transmit ultrasonic waves according to signals of the first node and a third power supply terminal, receive reflected ultrasonic echoes and generate a first induction signal at the first node; the signal acquisition unit is configured to output a second induction signal to an output terminal according to a first power supply terminal and first induction signal of the first node under control of the first node.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 29, 2022
    Inventors: Ke LIU, Ling SHI, Yang YU, Bingqiang GUI
  • Publication number: 20220293057
    Abstract: A display substrate and a display device are provided. A sub-pixel in the display substrate includes a light emitting element and a pixel circuit; the light emitting element includes a first electrode, a light emitting layer and a second electrode; the pixel circuit includes a driving transistor and a storage capacitor. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. In a same first color sub-pixel pair, an overlapping situation, of orthographic projections of the second electrode of one first pixel block and a gate electrode of the driving transistor of the one first pixel block on the base substrate, is the same as an overlapping situation, of orthographic projections of the second electrode of one second pixel block and a gate electrode of the driving transistor of the one second pixel block on the base substrate.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Tinghua SHANG, Yang ZHOU, Haigang QING, Linhong HAN, Ling SHI, Yao HUANG
  • Publication number: 20220284861
    Abstract: Embodiments of the present disclosure provide a light emission control shift register and method thereof, a gate driving circuit, and a display device. An input circuit outputs a signal of a signal input terminal to a first node. A first control circuit outputs a voltage of a first voltage terminal to a second node. A second control circuit transmits the voltage of the first voltage terminal to a third node. A third control circuit transmits the voltage of the first voltage terminal to a fourth node, and the third control circuit can further transmit the voltage of the second voltage terminal to the fourth node. A fourth control circuit transmits the voltage of the first voltage terminal to a signal output terminal, and the fourth control circuit can further transmit the voltage of the second voltage terminal to the signal output terminal.
    Type: Application
    Filed: October 27, 2021
    Publication date: September 8, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo YANG, Chengchung YANG, Xiangfei HE, Ling SHI
  • Publication number: 20220270530
    Abstract: A driving circuit of a display panel includes: a first driving control circuit configured to, in a first display state, provide a signal of an OFF signal terminal to a starting node of a first light emitting signal driver according to a control signal of an ON level provided by a control signal terminal; the first light emitting signal driver configured to, in the first display state, control a light emitting signal output terminal to provide an OFF-level signal to a light emitting control terminal of a pixel driving circuit in a first display region according to the signal of the OFF signal terminal; and a second light emitting signal driver configured to, in the first display state, control a light emitting signal output terminal to provide a light emitting signal to a light emitting control terminal of a pixel driving circuit in a second display region.
    Type: Application
    Filed: October 27, 2021
    Publication date: August 25, 2022
    Inventors: Zhu WANG, Fei FANG, Ling SHI, Zhenglong YAN
  • Patent number: 11423840
    Abstract: A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 23, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Yang Zhou, Haigang Qing, Linhong Han, Ling Shi, Yao Huang
  • Publication number: 20220223107
    Abstract: The present disclosure discloses a pixel circuit and a drive method thereof, and a display panel. The pixel circuit includes a drive transistor, a first light-emission control sub-circuit, a second light-emission control sub-circuit, a first threshold compensation sub-circuit, a second threshold compensation sub-circuit, a first initialization sub-circuit, a second initialization sub-circuit, a data-in sub-circuit, a capacitor, and a light-emitting element; wherein the second light-emission control sub-circuit is connected to the first light-emission control sub-circuit, a second initialization sub-circuit and a gate of the drive transistor, and is configured to send the signal of the first threshold compensation sub-circuit or the signal of the second threshold compensation sub-circuit to the gate of the drive transistor.
    Type: Application
    Filed: June 19, 2021
    Publication date: July 14, 2022
    Inventors: Yipeng CHEN, Ling SHI
  • Patent number: 11373598
    Abstract: A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: June 28, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Yang Zhou, Haigang Qing, Linhong Han, Ling Shi, Yao Huang
  • Publication number: 20220165833
    Abstract: The present disclosure relates to the technical field of display, and discloses a display panel and a display apparatus. The display panel includes a first substrate, a power line arranged on the first substrate, and a drive circuit located at the side, facing away from the first substrate, of the power line and isolated from the power line, an orthographic projection of the power line on the first substrate is at least partially overlapped with an orthographic projection of the drive circuit on the first substrate.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 26, 2022
    Inventors: Wenqiang LI, Weifeng ZHOU, Ling SHI, Liqiang CHEN
  • Publication number: 20220130933
    Abstract: The embodiments of the disclosure disclose a display panel and a display device.
    Type: Application
    Filed: May 11, 2020
    Publication date: April 28, 2022
    Inventors: Yang YU, Yipeng CHEN, Ling SHI, Jingquan WANG
  • Patent number: D956478
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 5, 2022
    Inventor: Ling Shi